Add ice, gin, bitters and tonic to cocktail glass and stir.
Taking grapefruit peel bend and with lighter, hold a flame about an inch from the peel, heating the peel. After ten-20 seconds, squeeze the peel sharply releasing oils and zest and lighting them on fire.
Rub grapefruit peel around rim of glass and curl into drink.
Enjoy!
Recipe by Talia Bunting at https://www.taliabunting.com/grapefruit-gin-cocktail/